• Today's Word

Semaphore

SEM-uh-for

Definition

1. (Noun) A system of signaling using flags, lights, or hand movements.
2. (Verb) To communicate using such signals.

Example

The sailors used semaphore to convey messages between ships without radios.

Fun Fact

Semaphore was widely used in maritime communication and railway signaling before modern technology. The famous Semaphore Flag Signaling System is still taught in some military and scouting organizations today—so next time your phone dies, maybe it’s time to brush up on your flag-waving skills!